What is substitution variable?

0 Answers  

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Give which cursor is better for better performance means type of cursors?

2 Answers  

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how to enter characters as hex numbers? : Sql dba

0 Answers  

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what is SCALAR Queries?

2 Answers   ITC Infotech,

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Mention what is the function that is used to transfer a pl/sql table log to a database table?

0 Answers  

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What are the two characteristics of a primary key?

0 Answers  

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What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.

7 Answers   Satyam,

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consider a table which contain 4 columns,ename,eno,sal and deptno, from this table i want to know ename who having maximum salary in deptno 10 and 20.

24 Answers   Mind Tree,

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What is the difference between rollback and rollback to statements?

0 Answers  

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Does view contain data?

0 Answers  

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what is meant by forward declaration in functions?

4 Answers   TCS,

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how to shut down the server with 'mysqladmin'? : Sql dba

0 Answers  

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